Home / 57,621.57-86,431.49-35,138.85

Finding the Fourth Proportional to 57,621.57, 86,431.49 and 35,138.85

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Solution

The fourth proportional to 57,621.57, 86,431.49 and 35,138.85 is: 52,707.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,621.57 : 86,431.49 = 35,138.85 : x
  2. Step 2: Convert to fraction form
    57,621.57/86,431.49 = 35,138.85/x
  3. Step 3: Cross multiply
    57,621.57x = 86,431.49 × 35,138.85
  4. Step 4: Simplify right side
    57,621.57x = 3,037,102,986.69
  5. Step 5: Solve for x
    x = 3,037,102,986.69/57,621.57
  6. Step 6: Final answer
    x = 52,707.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.